<!DOCTYPE html>
<html class="reftest-wait">
<head>
  <title>
    Testcase with only one of [html,body] being scrollable,
    with their "overflow" styles being dynamically swapped.
  </title>
  <style>
    html {
      overflow: scroll;
    }
  </style>
  <script>
    function doTest() {
      document.documentElement.style.overflow = "visible";
      document.body.style.overflow = "scroll";
      document.documentElement.removeAttribute("class");
    }
    window.addEventListener("MozReftestInvalidate", doTest);
  </script>
</head>
<body>
</body>
</html>
